1
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Lu L, Chen S, Kong W, Gao B, Li Y, Zhu L, Yin G. Enantioselective Synthesis of β-Aminoboronic Acids via Borylalkylation of Enamides. J Am Chem Soc 2024. [PMID: 38853359 DOI: 10.1021/jacs.4c03700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2024]
Abstract
Aminoboronic acids represent a class of significant compounds that have attracted significant attention in the fields of drug discovery and organic synthesis. Despite notable progress in their synthesis, the efficient construction of chiral β-aminoboronic acids with alkyl side chains remains a challenging endeavor. Here, we introduce an unprecedented nickel-catalyzed asymmetric borylalkylation of enamides, employing a simple chiral diamine ligand, readily available B2pin2, and alkyl halides as coupling partners. This reaction serves as an efficient platform for assembling a diverse range of β-aminoboronic acid derivatives with flexible alkyl side chains, displaying exceptional regio-, stereo-, and enantioselectivities. Moreover, this transformation exhibits a broad substrate scope and remarkable tolerance toward various functional groups. Theoretical calculations demonstrate that the benzyl group on the ligand is the key to the high enantiocontrol in this transformation. Additionally, we exemplify the practical application of this strategy through the concise synthesis of complex bioactive molecules.
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Affiliation(s)
- Liguo Lu
- The Institute for Advanced Studies, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Shuhan Chen
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Wuhan, Hubei 430072, P. R. China
| | - Weiyu Kong
- The Institute for Advanced Studies, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Ben Gao
- The Institute for Advanced Studies, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Yangyang Li
- The Institute for Advanced Studies, Wuhan University, Wuhan, Hubei 430072, P. R. China
| | - Lei Zhu
- Hubei Key Laboratory of Quality Control of Characteristic Fruits and Vegetables, Hubei Engineering University, Wuhan, Hubei 430072, P. R. China
| | - Guoyin Yin
- The Institute for Advanced Studies, Wuhan University, Wuhan, Hubei 430072, P. R. China
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2
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Weng GG, Xu K, Hou T, Huang XD, Qin MF, Bao SS, Zheng LM. Enhancing the Circularly Polarized Luminescence of Europium Coordination Polymers by Doping a Chromophore Ligand into Superhelices. Inorg Chem 2023; 62:21044-21052. [PMID: 38051505 DOI: 10.1021/acs.inorgchem.3c02806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Lanthanide-based molecular materials showing efficient circularly polarized luminescence (CPL) activity with a high quantum yield are attractive due to their potential applications in data storage, optical sensors, and 3D displays. Herein we present an innovative method to achieve enhanced CPL activity and a high quantum yield by doping a chromophore ligand into a coordination polymer superhelix. A series of homochiral europium(III) phosphonates with a helical morphology were prepared with the molecular formula S-, R-[Eu(cyampH)3-3n(nempH)3n]·3H2O (S/R-Eu-n, n = 0-5%). The doping of chromophore ligand S- or R-nempH2 into superhelices of S/R-Eu-0% not only turned on the CPL activity with the dissymmetry factor |glum| on the order of 10-3 but also increased the quantum yield by about 14-fold. This work may shed light on the development of efficient CPL-active lanthanide-based coordination polymers for applications.
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Affiliation(s)
- Guo-Guo Weng
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
- Key Laboratory of Jiangxi University for Functional Materials Chemistry, School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, Jiangxi 341000, P. R. China
| | - Kui Xu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
| | - Ting Hou
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
| | - Xin-Da Huang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
| | - Ming-Feng Qin
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
| | - Song-Song Bao
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
| | - Li-Min Zheng
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, Jiangsu 210023, P. R. China
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3
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Kang W, Tang Y, Meng X, Lin S, Zhang X, Guo J, Li Q. A Photo- and Thermo-Driven Azoarene-Based Circularly Polarized Luminescence Molecular Switch in a Liquid Crystal Host. Angew Chem Int Ed Engl 2023; 62:e202311486. [PMID: 37648676 DOI: 10.1002/anie.202311486] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 08/25/2023] [Accepted: 08/30/2023] [Indexed: 09/01/2023]
Abstract
The development of chiral optical active materials with switchable circularly polarized luminescence (CPL) signals remains a challenge. Here an azoarene-based circularly polarized luminescence molecular switch, (S, R, S)-switch 1 and (R, R, R)-switch 2, are designed and prepared with an (R)-binaphthyl azo group as a chiral photosensitive moiety and two (S)- or (R)-binaphthyl fluorescent molecules with opposite or the same handedness as chiral fluorescent moieties. Both switches exhibit reversible trans/cis isomerization when irradiated by 365 nm UV light and 520 nm green light in solvent and liquid crystal (LC) media. In contrast with the control (R, R, R)-switch 2, when switch 1 is doped into nematic LCs, polarization inversion and switching-off of the CPL signals are achieved in the resultant helical superstructure upon irradiation with 365 nm UV and 520 nm green light, respectively. Meanwhile, the fluorescence intensity of the system is basically unchanged during this switching process. In particular, these variations of the CPL signals could be recovered after heating, realizing the true sense of CPL reversible switching. Taking advantage of the unique CPL switching, the proof-of-concept for "a dual-optical information encryption system" based on the above CPL active material is demonstrated.
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Affiliation(s)
- Wenxin Kang
- Key Laboratory of Carbon Fibers and Functional Polymers, Ministry of Education, and College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Yuqi Tang
- Institute of Advanced Materials and School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
| | - Xianyu Meng
- Key Laboratory of Carbon Fibers and Functional Polymers, Ministry of Education, and College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Siyang Lin
- Key Laboratory of Carbon Fibers and Functional Polymers, Ministry of Education, and College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Xinfang Zhang
- Materials Science Graduate Program, Kent State University, Kent, OH 44242, USA
| | - Jinbao Guo
- Key Laboratory of Carbon Fibers and Functional Polymers, Ministry of Education, and College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Quan Li
- Institute of Advanced Materials and School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
- Materials Science Graduate Program, Kent State University, Kent, OH 44242, USA
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4
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Xu W, Ye X, Wu M, Jiang X, Hugo Tse LH, Gu Y, Shu K, Xu L, Jian Y, Mo G, Xu J, Ding Y, Gao R, Shen J, Ye F, Yan Z, Dai L. Chiral Gd-DOTA as a Versatile Platform for Hepatobiliary and Tumor Targeting MRI Contrast Agents. J Med Chem 2023; 66:14669-14682. [PMID: 37855413 DOI: 10.1021/acs.jmedchem.3c01183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
The leakage of gadolinium ions (Gd3+) from commercial Gd3+-based contrast agents (GBCAs) in patients is currently the major safety concern in clinical magnetic resonance imaging (MRI) scans, and the lack of task-specific GBCAs limits its usage in the early detection of disease and imaging of specific biological regions. Herein, ultrastable GBCAs were constructed via decorating chiral Gd-DOTA with a phenylic analogue to one of the pendent arms, and the stability constant was determined as high as 27.08, accompanied by negligible decomplexation in 1 M of HCl over 2 years. A hepatic-specific chiral Gd-DOTA was screened out as a potential alternative to commercial Gd-EOB-DTPA, while combination with functional molecules favored chiral Gd-DOTA as tumor targeting probes. Therefore, the novel chiral Gd-DOTA is believed to be an ideal platform for designing the next generation of GBCAs for various clinical purposes due to its outstanding inert nature.
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Affiliation(s)
- Weiyuan Xu
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325000, China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang 325000, China
| | - Xinjian Ye
- Department of Radiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Min Wu
- Department of Radiology and Huaxi MR Research Center (HMRRC), Functional and Molecular Imaging Key Laboratory of Sichuan Province, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Xin Jiang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325000, China
| | - Lik Hang Hugo Tse
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, Guangdong 518057, China
| | - Yanjuan Gu
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, Guangdong 518057, China
| | - Kun Shu
- Department of Radiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Liuhui Xu
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Yong Jian
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325000, China
| | - Gengshen Mo
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325000, China
| | - Jiao Xu
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325000, China
| | - Yinghui Ding
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325000, China
| | - Ruonan Gao
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325000, China
| | - Jianliang Shen
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325000, China
| | - Fangfu Ye
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325000, China
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
- Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang 325000, China
| | - Zhihan Yan
- Department of Radiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325027, China
| | - Lixiong Dai
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang 325000, China
- Joint Centre of Translational Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
- Zhejiang Engineering Research Center for Innovation and Application of Intelligent Radiotherapy Technology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
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5
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Maier KB, Rust LN, Kupara CI, Woods M. Diastereoselective Synthesis of α-Aryl-Substituted LnDOTA Chelates from Achiral Starting Materials by Deracemization Under Mild Conditions. Chemistry 2023; 29:e202301887. [PMID: 37519104 DOI: 10.1002/chem.202301887] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/26/2023] [Accepted: 07/26/2023] [Indexed: 08/01/2023]
Abstract
Substituted derivatives of the DOTA framework are of general interest to alter chelate properties and facilitate the conjugation of chelates to other molecular structures. However, the scope of substituents that can be introduced into the α-position has traditionally been limited by the availability of a suitable enantiopure starting materials to facilitate a stereoselective synthesis. Tetra-substituted DOTA derivatives with phenyl and benzoate substituents in the α-position have been prepared. Initial syntheses used enantiopure starting materials but did not afford enantiopure products. This indicates that the integrity of the stereocenters was not preserved during synthesis, despite the homo-chiral diastereoisomer being the major reaction product. The homochiral diastereoisomer could be produced as the major or sole reaction product when starting from racemic or even achiral materials. Deracemization was found to occur during chelation through the formation of an enolate stabilized by the aryl substituent. This general ability of aryl groups to enable deracemization greatly increases the range of substituents that can be introduced into DOTA-type ligands with diastereochemical selectivity.
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Affiliation(s)
- Karley B Maier
- Department of Chemistry, Portland State University 1719, SW 10th Ave, Portland, OR 97201, USA
| | - Lauren N Rust
- Department of Chemistry, Portland State University 1719, SW 10th Ave, Portland, OR 97201, USA
| | - Charlene I Kupara
- Department of Chemistry, Portland State University 1719, SW 10th Ave, Portland, OR 97201, USA
| | - Mark Woods
- Department of Chemistry, Portland State University 1719, SW 10th Ave, Portland, OR 97201, USA
- Advanced Imaging Research Center, Oregon Health and Science University, 1381 SW Sam Jackson Park Road, Portland, OR 97239, USA
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6
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Kuroda T, Kitahara M, Yagi S, Imai Y. External magnetic field-induced circularly polarized luminescence and electroluminescence from optically inactive thermally activated delayed fluorescence material 4CzIPN. Front Chem 2023; 11:1281168. [PMID: 37927569 PMCID: PMC10622766 DOI: 10.3389/fchem.2023.1281168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/02/2023] [Indexed: 11/07/2023] Open
Abstract
An achiral optically inactive organic luminophore, 4CzIPN, exhibits circularly polarized thermally activated delayed fluorescence when photoexcited under an external magnetic field. By embedding this luminophore in an active emission layer, an external-magnetic-field-induced circularly polarized electroluminescent device is developed in this study. The Faraday geometry of the applied magnetic field completely controls the direction of rotation of 4CzIPN-derived circularly polarized luminescence and electroluminescence.
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Affiliation(s)
- Takumi Kuroda
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, Higashi-osaka, Japan
| | - Maho Kitahara
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, Higashi-osaka, Japan
| | - Shigeyuki Yagi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Metropolitan University, Osaka, Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, Higashi-osaka, Japan
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7
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Davydova MP, Meng L, Rakhmanova MI, Jia Z, Berezin AS, Bagryanskaya IY, Lin Q, Meng H, Artem'ev AV. Strong Magnetically-Responsive Circularly Polarized Phosphorescence and X-Ray Scintillation in Ultrarobust Mn(II)-Organic Helical Chains. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2303611. [PMID: 37358067 DOI: 10.1002/adma.202303611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/17/2023] [Indexed: 06/27/2023]
Abstract
Over recent years, Mn(II)-organic materials showing circularly polarized luminescence (CPL) have attracted great interest because of their eco-friendliness, cheapness, and room temperature phosphorescence. Using the helicity design strategy, herein, chiral Mn(II)-organic helical polymers are constructed featuring long-lived circularly polarized phosphorescence with exceptionally high glum and ΦPL magnitudes of 0.021% and 89%, respectively, while remaining ultrarobust toward humidity, temperature, and X-rays. Equally important, it is disclosed for the first time that the magnetic field has a remarkably high negative effect on CPL for Mn(II) materials, suppressing the CPL signal by 4.2-times atB ⃗ $\vec{B}$ = 1.6 T. Using the designed materials, UV-pumped CPL light-emitting diodes are fabricated, demonstrating enhanced optical selectivity under right- and left-handed polarization conditions. On top of all this, the reported materials display bright triboluminescence and excellent X-ray scintillation activity with a perfectly linear X-ray dose rate response up to 174 µGyair s-1 . Overall, these observations significantly contribute to the CPL phenomenon for multi-spin compounds and promote the design of highly efficient and stable Mn(II)-based CPL emitters.
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Affiliation(s)
- Maria P Davydova
- Nikolaev Institute of Inorganic Chemistry, SB RAS, 3, Lavrentiev Ave, Novosibirsk, 630090, Russia
| | - Lingqiang Meng
- School of Advanced Materials, Peking University Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
| | - Mariana I Rakhmanova
- Nikolaev Institute of Inorganic Chemistry, SB RAS, 3, Lavrentiev Ave, Novosibirsk, 630090, Russia
| | - Zhenglin Jia
- School of Physics and Technology, Wuhan University, Wuhan, Hubei, 430072, China
| | - Alexey S Berezin
- Nikolaev Institute of Inorganic Chemistry, SB RAS, 3, Lavrentiev Ave, Novosibirsk, 630090, Russia
| | - Irina Yu Bagryanskaya
- N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, SB RAS, 9, Lavrentiev Ave, Novosibirsk, 630090, Russia
| | - Qianqian Lin
- School of Physics and Technology, Wuhan University, Wuhan, Hubei, 430072, China
| | - Hong Meng
- School of Advanced Materials, Peking University Shenzhen Graduate School, Peking University, Shenzhen, 518055, China
| | - Alexander V Artem'ev
- Nikolaev Institute of Inorganic Chemistry, SB RAS, 3, Lavrentiev Ave, Novosibirsk, 630090, Russia
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8
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Wei J, Luo Q, Liang S, Zhou L, Chen P, Pang Q, Zhang JZ. Metal Halide Perovskite Nanocrystals for Near-Infrared Circularly Polarized Luminescence with High Photoluminescence Quantum Yield via Chiral Ligand Exchange. J Phys Chem Lett 2023:5489-5496. [PMID: 37289830 DOI: 10.1021/acs.jpclett.3c01184] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Using ligand exchange on FAPbI3 perovskite nanocrystals (PNCs) surface with chiral tridentate l-cysteine (l-cys) ligand, we successfully prepared chiral FAPbI3 PNCs that show circularly polarized luminescence (CPL) (dissymmetry factor; glum = 2.1 × 10-3) in the near-infrared (NIR) region from 700 to 850 nm and a photoluminescence quantum yield (PLQY) of 81%. The chiral characteristics of FAPbI3 PNCs are ascribed to induction by chiral l/d-cys, and the high PLQY is attributed to the passivation of the PNCs defects with l-cys. Also, effective passivation of defects on the surface of FAPbI3 PNCs by l-cys results in excellent stability toward atmospheric water and oxygen. The conductivity of the l-cys treated FAPbI3 NC films is improved, which is attributed to the partial substitution of l-cys for the insulating long oleyl ligand. The CPL of the l-cys ligand treated FAPbI3 PNCs film retains a glum of -2.7 × 10-4. This study demonstrates a facile yet effective approach to generating chiral PNCs with CPL for NIR photonics applications.
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Affiliation(s)
- Jianwu Wei
- School of Chemistry and Chemical Engineering, and Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, Guangxi, China
| | - Qiulian Luo
- School of Chemistry and Chemical Engineering, and Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, Guangxi, China
| | - Sengui Liang
- School of Chemistry and Chemical Engineering, and Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, Guangxi, China
| | - Liya Zhou
- School of Chemistry and Chemical Engineering, and Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, Guangxi, China
| | - Peican Chen
- School of Chemistry and Chemical Engineering, and Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, Guangxi, China
| | - Qi Pang
- School of Chemistry and Chemical Engineering, and Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, Guangxi University, Nanning 530004, Guangxi, China
| | - Jin Zhong Zhang
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, United States
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9
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Wu Y, Li M, Zheng ZG, Yu ZQ, Zhu WH. Liquid Crystal Assembly for Ultra-dissymmetric Circularly Polarized Luminescence and Beyond. J Am Chem Soc 2023. [PMID: 37276078 DOI: 10.1021/jacs.3c01122] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Circularly polarized luminescence (CPL) is attracting much interest because it can carry extensive optical information. CPL shows left- or right-handedness and can be regarded as part of high-level visual perception to supply an extra dimension of information with regard to regular light. A key to meeting the needs for practical applications is to develop the emerging field of ultra-dissymmetric CPL. Chiral liquid crystal (LC) assemblies─otherwise referred to as cholesteric liquid crystals (CLCs)─are essentially organized helical superstructures with a highly ordered one-dimensional orientation, and distinctly superior to regular helical supramolecules. CLCs can achieve a perfect equilibrium of molecular short-range interaction and long-range orientational order, enabling molecule-scale chirality on a helical pitch and observable scale. LC assembly could be an ideal strategy for amplifying chirality, making it accessible to ultra-dissymmetric CPL. Herein, we focused on some basic but important issues regarding CPL: (i) How can CPL be created from chiral dyes? (ii) Is the chirality of luminescent dyes an essential factor for the generation of CPL? That is, can all chiral dyes emit CPL and vice versa? (iii) How can CPL be transferred within intermolecular systems, and what principles of CPL transmission should be followed? Given these queries and our work, in this Perspective we discuss the generation, transmission, and modulation of CPL with chiral LC assembly, aiming to design and build up novel chiroptical materials. Recent applications of CPL-active LC microstructures in three-dimensional displays, circularly polarized lasers, and asymmetric catalysis are also discussed.
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Affiliation(s)
- Yue Wu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Shanghai Key Laboratory of Functional Materials Chemistry, Institute of Fine Chemicals, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518037, China
| | - Mengqi Li
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Shanghai Key Laboratory of Functional Materials Chemistry, Institute of Fine Chemicals, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Zhi-Gang Zheng
- School of Physics, East China University of Science and Technology, Shanghai 200237, China
| | - Zhen-Qiang Yu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518037, China
| | - Wei-Hong Zhu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Shanghai Key Laboratory of Functional Materials Chemistry, Institute of Fine Chemicals, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
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10
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Yon M, Gibot L, Gineste S, Laborie P, Bijani C, Mingotaud C, Coutelier O, Desmoulin F, Pestourie C, Destarac M, Ciuculescu-Pradines D, Marty JD. Assemblies of poly( N-vinyl-2-pyrrolidone)-based double hydrophilic block copolymers triggered by lanthanide ions: characterization and evaluation of their properties as MRI contrast agents. NANOSCALE 2023; 15:3893-3906. [PMID: 36723163 DOI: 10.1039/d2nr04691a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Because of the formation of specific antibodies to poly(ethylene glycol) (PEG) leading to life-threatening side effects, there is an increasing need to develop alternatives to treatments and diagnostic methods based on PEGylated copolymers. Block copolymers comprising a poly(N-vinyl-2-pyrrolidone) (PVP) segment can be used for the design of such vectors without any PEG block. As an example, a poly(acrylic acid)-block-poly(N-vinyl-2-pyrrolidone) (PAA-b-PVP) copolymer with controlled composition and molar mass is synthesized by reversible addition-fragmentation chain transfer (RAFT) polymerization. Mixing this copolymer with lanthanide cations (Gd3+, Eu3+, Y3+) leads to the formation of hybrid polyion complexes with increased stability, preventing the lanthanide cytotoxicity and in vitro cell penetration. These new nanocarriers exhibit enhanced T1 MRI contrast, when intravenously administered into mice. No leaching of gadolinium ions is detected from such hybrid complexes.
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Affiliation(s)
- Marjorie Yon
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Laure Gibot
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Stéphane Gineste
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Pascale Laborie
- Plateforme scientifique et technique Institut de Chimie de Toulouse ICT - UAR 2599, Université de Toulouse, CNRS, Toulouse, France
| | | | - Christophe Mingotaud
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Olivier Coutelier
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Franck Desmoulin
- Toulouse NeuroImaging Center (ToNIC), Inserm, University of Toulouse-Paul Sabatier, Toulouse, France
- CREFRE-Anexplo, Université de Toulouse, Inserm, UT3, ENVT, Toulouse, France
| | - Carine Pestourie
- CREFRE-Anexplo, Université de Toulouse, Inserm, UT3, ENVT, Toulouse, France
| | - Mathias Destarac
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Diana Ciuculescu-Pradines
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
| | - Jean-Daniel Marty
- Laboratoire des IMRCP, Université de Toulouse, CNRS UMR 5623, Université Toulouse III - Paul Sabatier, France.
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11
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Xu Y, Ni Z, Xiao Y, Chen Z, Wang S, Gai L, Zheng YX, Shen Z, Lu H, Guo Z. Helical β-isoindigo-Based Chromophores with B-O-B Bridge: Facile Synthesis and Tunable Near-Infrared Circularly Polarized Luminescence. Angew Chem Int Ed Engl 2023; 62:e202218023. [PMID: 36583391 DOI: 10.1002/anie.202218023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/20/2022] [Accepted: 12/29/2022] [Indexed: 12/31/2022]
Abstract
It is essential to create organic compounds that exhibit circularly polarized luminescence (CPL) in the near-infrared (NIR) range. Helicene-type emitters possess appealing chiroptical features, however, such NIR molecules are scarce due to a paucity of synthetic strategies. Herein, we developed a series of helical β-isoindigo-based B-O-B bridged aza-BODIPY analogs that were synthesized conveniently. The reaction of diimino-β-isoindigo with a heteroaromatic amine produced a restricted ligand cavity, which triggered off the generation of a B-O-B bridge. The B-O-B bridge led to distorted conformations that satisfy the helical requirements, resulting in excellent spectroscopic and chiroptical properties. Tunable CPL with the highest luminescence dissymmetry factor (glum ) of 1.3×10-3 and a CPL brightness (BCPL =11.5 M-1 cm-1 ) in the NIR region was achieved. This synthetic approach is expected to offer a new opportunity to chiral chemistry and increase flexibility for chiroptical tuning.
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Affiliation(s)
- Yongqiang Xu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, China
| | - Zhigang Ni
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, China
| | - Yao Xiao
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, China
| | - Ziwei Chen
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, China
| | - Sisi Wang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, China
| | - Lizhi Gai
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, China
| | - You-Xuan Zheng
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Zhen Shen
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Hua Lu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, and Key Laboratory of Organosilicon Material Technology of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, China
| | - Zijian Guo
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
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12
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Hooda A, Singh D, Dalal A, Nehra K, Kumar S, Singh Malik R, Kumar R, Kumar P. Preparation, Spectral and Judd Ofelt Analyses of Luminous Octa-coordinated Europium (III) Complexes. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
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13
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Zhang CY, Zhang C, Sun GW, Pan JL, Gong L, Sun GZ, Biendicho JJ, Balcells L, Fan XL, Morante JR, Zhou JY, Cabot A. Spin Effect to Promote Reaction Kinetics and Overall Performance of Lithium‐Sulfur Batteries under External Magnetic Field. Angew Chem Int Ed Engl 2022; 61:e202211570. [DOI: 10.1002/anie.202211570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Chao Yue Zhang
- Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education & School of Physical Science & Technology Lanzhou University Lanzhou 730000 China
- Catalonia Institute for Energy Research, IREC Sant Adrià de Besòs 08930 Barcelona Spain
| | - Chaoqi Zhang
- Catalonia Institute for Energy Research, IREC Sant Adrià de Besòs 08930 Barcelona Spain
| | - Guo Wen Sun
- Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education & School of Physical Science & Technology Lanzhou University Lanzhou 730000 China
| | - Jiang Long Pan
- Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education & School of Physical Science & Technology Lanzhou University Lanzhou 730000 China
| | - Li Gong
- Catalonia Institute for Energy Research, IREC Sant Adrià de Besòs 08930 Barcelona Spain
| | - Geng Zhi Sun
- Key Laboratory of Flexible Electronics & Institute of Advanced Materials Nanjing Tech University 30 South Puzhu Road Nanjing 211816 China
| | - Jordi Jacas Biendicho
- Catalonia Institute for Energy Research, IREC Sant Adrià de Besòs 08930 Barcelona Spain
| | - Lluís Balcells
- Institut de Ciència de Materials de Barcelona Campus de la UAB 08193 Bellaterra Catalonia Spain
| | - Xiao Long Fan
- Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education & School of Physical Science & Technology Lanzhou University Lanzhou 730000 China
| | - Joan Ramon Morante
- Catalonia Institute for Energy Research, IREC Sant Adrià de Besòs 08930 Barcelona Spain
| | - Jin Yuan Zhou
- Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education & School of Physical Science & Technology Lanzhou University Lanzhou 730000 China
- School of Physics and Electronic Information Engineering Qinghai Normal University Xining 810008 China
| | - Andreu Cabot
- Catalonia Institute for Energy Research, IREC Sant Adrià de Besòs 08930 Barcelona Spain
- Catalan Institution for Research and Advanced Studies, ICREA Pg. Lluís Companys 23 08010 Barcelona Spain
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14
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Luo Y, Chen Z, Wen S, Han Q, Fu L, Yan L, Jin D, Bünzli JCG, Bao G. Magnetic regulation of the luminescence of hybrid lanthanide-doped nanoparticles. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214653] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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15
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16
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Yang G, Yao Z, Yang X, Xie Y, Duan P, Zhang Y, Zhang SX. A Flexible Circularly Polarized Luminescence Switching Device Based on Proton-Coupled Electron Transfer. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2202636. [PMID: 35861377 PMCID: PMC9475559 DOI: 10.1002/advs.202202636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/07/2022] [Indexed: 06/15/2023]
Abstract
Flexible circularly polarized luminescence (CPL) switching devices have been long-awaited due to their promising potential application in wearable optoelectronic devices. However, on account of the few materials and complicated design of manufacturing systems, how to fabricate a flexible electric-field-driven CPL-switching device is still a serious challenge. Herein, a flexible device with multiple optical switching properties (CPL, circular dichroism (CD), fluorescence, color) is designed and prepared efficiently based on proton-coupled electron transfer (PCET) mechanism by optimizing the chiral structure of switching molecule. More importantly, this device can maintain the switching performance even after 300 bending-unbending cycles. It has a remarkable comprehensive performance containing bistable property, low open voltage, and good cycling stability. Then, prototype devices with designed patterns have been fabricated, which opens a new application pattern of CPL-switching materials.
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Affiliation(s)
- Guojian Yang
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012P. R. China
| | - Zhiqiang Yao
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012P. R. China
| | - Xuefeng Yang
- CAS Center for Excellence in NanoscienceCAS Key Laboratory of Nanosystem and Hierarchical FabricationNational Center for Nanoscience and Technology (NCNST)Beijing100190P. R. China
| | - Yigui Xie
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012P. R. China
| | - Pengfei Duan
- CAS Center for Excellence in NanoscienceCAS Key Laboratory of Nanosystem and Hierarchical FabricationNational Center for Nanoscience and Technology (NCNST)Beijing100190P. R. China
| | - Yu‐Mo Zhang
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012P. R. China
| | - Sean Xiao‐An Zhang
- State Key Lab of Supramolecular Structure and MaterialsCollege of ChemistryJilin UniversityChangchun130012P. R. China
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17
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Zhao F, Zhao J, Wang Y, Liu HT, Shang Q, Wang N, Yin X, Zheng X, Chen P. [5]Helicene-based chiral triarylboranes with large luminescence dissymmetry factors over a 10 -2 level: synthesis and design strategy via isomeric tuning of steric substitutions. Dalton Trans 2022; 51:6226-6234. [PMID: 35362491 DOI: 10.1039/d2dt00677d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Constructing chiral luminescent systems with both large luminescence dissymmetry factor (glum) and high luminous efficiency has been considered a great challenge. We herein describe a highly efficient approach to sterically stabilize the helical configurations of carbo[5]helicenes for improved CPL properties in a series of π-donor and π-acceptor substituted [5]helicenes (1, 2, 3, 4 and 5). Enabled by the ortho-installation of methyl groups as well as the steric effects of triarylamine (Ar3N) and triarylborane (Ar3B) handles in meta-substituted [5]helicenes, their optical resolution into enantiomers has been accomplished using preparative chiral HPLC. The molecular chirality of [5]helicenes can be transferred to Ar3B and Ar3N as light emitters, which allowed further investigations of their chiroptics, including optical rotation, circular dichroism (CD) and circularly polarized luminescence (CPL). Remarkably, 4 has been demonstrated to display dramatically enhanced CPL performance with a much larger glum (>1.2 × 10-2) and an increased emission quantum efficiency (ΦS = 0.75) compared with the other analogues, as a result of the isomeric tuning of substitutions with differential steric and electronic effects. These experimentally observed CPL activities were rationalized by TD-DFT computations for the angle (θμ,m) between electric and magnetic transition dipole moments in the excited states. In addition, the conspicuous intramolecular donor-acceptor charge transfer led to thermal responses in the emissions of 2 and 4 over a broad temperature range.
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Affiliation(s)
- Fei Zhao
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering of the Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China.
| | - Jingyi Zhao
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering of the Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China.
| | - Yu Wang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering of the Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China.
| | - Hou-Ting Liu
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong, 252059, China
| | | | - Nan Wang
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering of the Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China.
| | - Xiaodong Yin
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering of the Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China.
| | - Xiaoyan Zheng
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering of the Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China.
| | - Pangkuan Chen
- Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering of the Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, China.
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18
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Xia G, Wang L, Xia H, Wu Y, Wang Y, Hu H, Lin S. Circularly polarized luminescence of talarolactones (+)/(−)-A and (+)/(−)-C: The application of CPL-calculation in stereochemical assignment. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.03.032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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19
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Chen X, Zhang S, Chen X, Li Q. Tunable Circularly Polarized Luminescent Supramolecular Systems: Approaches and Applications. CHEMPHOTOCHEM 2022. [DOI: 10.1002/cptc.202100256] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Xu‐Man Chen
- Institute of Advanced Materials and School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
| | - Shu Zhang
- Institute of Advanced Materials and School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
| | - Xiao Chen
- Institute of Advanced Materials and School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
| | - Quan Li
- Institute of Advanced Materials and School of Chemistry and Chemical Engineering Southeast University Nanjing 211189 China
- Advanced Materials and Liquid Crystal Institute and Chemical Physics Interdisciplinary Program Kent State University Kent OH 44242 USA
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20
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Li H, Wang Y, Zhou Y, Yao Z, Huang W, Gao T, Yan P. Asymmetric induction in quadruple-stranded europium(III) helicates and circularly polarized luminescence. Dalton Trans 2022; 51:10973-10982. [DOI: 10.1039/d2dt01379g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chiral supramolecular lanthanide-helicates are regarded as promising chiroptical materials due to their combination of ground and excited state chirality and special luminescence property from Ln3+, named as circularly polarized luminescence...
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21
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Mishima K, Kaji D, Fujiki M, Imai Y. Remarkable Effects of External Magnetic Field on Circularly Polarized Luminescence of Eu III (hfa) 3 with Phosphine Chirality. Chemphyschem 2021; 22:1728-1737. [PMID: 34223689 DOI: 10.1002/cphc.202100280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 07/03/2021] [Indexed: 11/09/2022]
Abstract
Herein, magnetic circularly polarized luminescence (CPL) (MCPL) spectroscopy was conducted to analyze an EuIII (hfa)3 complex with three chiral PIII -ligands. Resultantly, (R)-chirality luminophores with S-up orientation and (S)-chirality luminophores with N-up orientation were observed to possess symmetrical mirror image spectra, i. e., they were enantiomers. Similarly, the (R)-chirality luminophores with N-up orientation and the (S)-chirality luminophores with S-up orientation were also enantiomers. Contrarily, (R)-S-up and (S)-S-up were diastereomers and did not possess a mirror-image relationship. Likewise, (R)-N-up and (S)-N-up were diastereomers. The J-dependency of gMCPL and gCPL datasets suggested that the N-up/S-up external magnetic field, with the aid of chiral PIII -ligands, increased the gMCPL values by two- to sixteen-fold and modulated the gMCPL signs at J=1-4. Additionally, the origins of the nonideal mirror-symmetric CPL and MCPL spectral characteristics of EuIII (hfa)3 with three chiral PIII -ligands were discussed in terms of parity (space-inversion, P)-symmetry, time-reversal (T)-symmetry, and PT-symmetry laws.
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Affiliation(s)
- Kohei Mishima
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka, 577-8502, Japan
| | - Daiki Kaji
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka, 577-8502, Japan
| | - Michiya Fujiki
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5 Takayama, Ikoma, Nara, 630-0192, Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-osaka, Osaka, 577-8502, Japan
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22
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Dai L, Zhang J, Wong CT, Chan WTK, Ling X, Anderson CJ, Law GL. Design of Functional Chiral Cyclen-Based Radiometal Chelators for Theranostics. Inorg Chem 2021; 60:7082-7088. [PMID: 33689299 DOI: 10.1021/acs.inorgchem.0c03734] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of water-soluble chiral cyclen-based chelators with chemical handles for selective targeting have been synthesized (cyclen = 1,4,7,10-Tetraazacyclododecane). Optical studies, relaxivity measurements, and competitive titrations were performed to show the versatility of these chiral chelators. The complexations of L3, L4, and L5 with Lu3+, Y3+, Sc3+, and Cu2+ were successfully demonstrated in around 90% to 100% yields. Efficient and rapid radiolabeling of L5 with 177Lu was achieved under mild conditions with 96% yield. The chelators exhibit near quantitative labeling efficiencies with a wide range of radiometal ions, which are promising for the development of targeting specific radiopharmaceutical and molecular magnetic resonance imaging contrast agents.
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Affiliation(s)
- Lixiong Dai
- Department of Applied Biology and Chemical Technology, State Key Laboratory of Chemical Biology and Drug Discovery, The Hong Kong Polytechnic University, Hung Hom 999077, Hong Kong SAR
| | - Junhui Zhang
- Department of Applied Biology and Chemical Technology, State Key Laboratory of Chemical Biology and Drug Discovery, The Hong Kong Polytechnic University, Hung Hom 999077, Hong Kong SAR
| | - Carlos Tinlong Wong
- Department of Applied Biology and Chemical Technology, State Key Laboratory of Chemical Biology and Drug Discovery, The Hong Kong Polytechnic University, Hung Hom 999077, Hong Kong SAR
| | - Wesley Ting Kwok Chan
- Department of Applied Biology and Chemical Technology, State Key Laboratory of Chemical Biology and Drug Discovery, The Hong Kong Polytechnic University, Hung Hom 999077, Hong Kong SAR
| | - Xiaoxi Ling
- Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - Carolyn J Anderson
- Departments of Medicine, Radiology, Pharmacology and Chemical Biology, Chemistry, and Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States.,Departments of Chemistry and Radiology, University of Missouri, Columbia, Missouri 65211, United States
| | - Ga-Lai Law
- Department of Applied Biology and Chemical Technology, State Key Laboratory of Chemical Biology and Drug Discovery, The Hong Kong Polytechnic University, Hung Hom 999077, Hong Kong SAR
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23
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Man Ngo F, Tse ECM. Bioinorganic Platforms for Sensing, Biomimicry, and Energy Catalysis. CHEM LETT 2021. [DOI: 10.1246/cl.200875] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Fung Man Ngo
- Department of Chemistry, CAS-HKU Joint Laboratory of Metallomics on Health and Environment, University of Hong Kong, Hong Kong SAR, P. R. China
- Advanced Functional Materials Laboratory, HKU Zhejiang Institute of Research and Innovation, Zhejiang 311305, P. R. China
| | - Edmund C. M. Tse
- Department of Chemistry, CAS-HKU Joint Laboratory of Metallomics on Health and Environment, University of Hong Kong, Hong Kong SAR, P. R. China
- Advanced Functional Materials Laboratory, HKU Zhejiang Institute of Research and Innovation, Zhejiang 311305, P. R. China
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24
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Islam MJ, Kitagawa Y, Tsurui M, Hasegawa Y. Strong circularly polarized luminescence of mixed lanthanide coordination polymers with control of 4f electronic structures. Dalton Trans 2021; 50:5433-5436. [PMID: 33908960 DOI: 10.1039/d1dt00519g] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
This paper reports chiral mixed Eu(iii)-Ln(iii) coordination polymers (Ln = Gd and Sm) with a high dissymmetry factor of circularly polarized luminescence (gCPL = 0.15) for the enhancement of the emission quantum yield (Φtot ≥ 50%), achieved via control of 4f electronic structures.
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Affiliation(s)
- Md Jahidul Islam
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Kita-21, Nishi-10, Sapporo, Hokkaido 001-0021, Japan.
| | - Yuichi Kitagawa
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Kita-21, Nishi-10, Sapporo, Hokkaido 001-0021, Japan. and Faculty of Engineering, Hokkaido University, Kita-13, Nishi-8, Sapporo, Hokkaido 060-8628, Japan
| | - Makoto Tsurui
- Graduate School of Chemical Sciences and Engineering, Hokkaido University, Kita-13, Nishi-8, Sapporo, Hokkaido 060-8628, Japan
| | - Yasuchika Hasegawa
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Kita-21, Nishi-10, Sapporo, Hokkaido 001-0021, Japan. and Faculty of Engineering, Hokkaido University, Kita-13, Nishi-8, Sapporo, Hokkaido 060-8628, Japan
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25
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Zhang Z, Zhou Y, Gao T, Yan P, Zou X, Li H. Diastereoselective self-assembly of a triple-stranded europium helicate with light modulated chiroptical properties. Dalton Trans 2021; 50:4604-4612. [PMID: 33710241 DOI: 10.1039/d1dt00251a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Chiroptical photoswitches are of increasing interest for their potential in advanced information technologies. Herein, an achiral bis-β-diketonate ligand (o-L) with a photoresponsive diarylethene moiety as a linker was designed, which co-assembled with Eu3+ ions and R- and S-bis(diphenylphosphoryl)-1,10-binaphthyl (R/S-BINAPO) as chiral ancillaries to form dinuclear triple-stranded helicates, [Eu2(o-L)3(R/S-BINAPO)2]. The helicates in the enantiopure form were confirmed by 1H, 19F, 31P NMR and DOSY NMR analyses. Furthermore, the mirror-image CD and CPL spectra also demonstrate the existence of stable ground- and excited-state chiralities in solution. When exposed to alternate ultraviolet and visible light, the helicates showed reversible color variations from colorless to purple, followed by the presence of light-triggered quadruple optical and chiroptical outputs, named CD, PL, CPL and glum switches. With these light-modulated optical outputs, the possibility for the fabrication of IMPLICATION and INHIBIT logic gates was discussed.
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Affiliation(s)
- Zhihui Zhang
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education; School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China.
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26
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Nojima Y, Hasegawa M, Hara N, Imai Y, Mazaki Y. Small Figure-Eight Luminophores: Double-Twisted Tethered Cyclic Binaphthyls Boost Circularly Polarized Luminescence. Chemistry 2021; 27:5923-5929. [PMID: 33427332 DOI: 10.1002/chem.202005320] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/04/2021] [Indexed: 12/20/2022]
Abstract
Double-twisted cyclic binaphthyls, in which two naphthalenes are tethered by -O(CH2 )n O- linkage (n=1-3), have been synthesized. X-ray analyses and DFT calculations revealed a tightly constrained stereogenic figure-eight geometry. Tethering of two naphthalenes by short linkage forces a small dihedral angle, and the cyclic binaphthyls with short tether (n=1, 2) exhibit remarkable boosting of the glum value (1.0-1.6×10-2 ) in circularly polarized luminescence (CPL) and unusual glum /gabs ratios (0.93-1.3). These experimental high |glum | values are in accord with the results of excited state TD-DFT calculations, which show transannular interactions and that consequent extensive delocalization occurs throughout the figure-eight π-core. As a result, the present figure-eight luminophore promote the elongation of the magnetic transition dipole moment that results in significant increases in glum values.
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Affiliation(s)
- Yuki Nojima
- Graduate School of Science, Kitasato University, Sagamihara, Kanagawa, 252-0373, Japan
| | - Masashi Hasegawa
- Graduate School of Science, Kitasato University, Sagamihara, Kanagawa, 252-0373, Japan
| | - Nobuyuki Hara
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, Higashi-Osaka, Osaka, 577-8502, Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, Higashi-Osaka, Osaka, 577-8502, Japan
| | - Yasuhiro Mazaki
- Graduate School of Science, Kitasato University, Sagamihara, Kanagawa, 252-0373, Japan
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Yao Z, Zhou Y, Gao T, Yan P, Li H. Ancillary ligand modulated stereoselective self-assembly of triple-stranded Eu(iii) helicate featuring circularly polarized luminescence. RSC Adv 2021; 11:10524-10531. [PMID: 35423583 PMCID: PMC8695889 DOI: 10.1039/d1ra01583d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 03/04/2021] [Indexed: 12/30/2022] Open
Abstract
Creating optically pure metal assemblies is a hot research topic in the realms of chiral supramolecules. Here, three new triple-stranded europium(iii) helicates Eu2L3(L′)2 [L = 4,4′-bis(4,4,4-trifluoro-1,3-dioxobutyl)diphenyl sulphide; L′ = 1,10-phenanthroline (Phen) or R/S-2,2′-bis(diphenylphosphinyl)-1,1′-binaphthyl (R/S-BINAPO)] were synthesized in order to investigate the effects of ancillary ligands on controlling the stereoselective self-assembly of lanthanide helicates. X-ray single crystal structure analysis showed that Eu2L3(Phen)2 crystalized in an achiral space group P1̄ with the equivalent amount of P and M helicates in one single cell. The isolated Eu2L3(S-BINAPO)2 and Eu2L3(R-BINAPO)2 were verified to be enantiopure by 1H, 19F, 31P NMR and DOSY NMR analyses. Additionally, the mirror-image CD spectra also demonstrated the successful syntheses of the enantiomers and the presence of an effective chirality transformation from BINAPO to achiral L. Furthermore, the perfect mirror-image circularly polarized luminescence (CPL) spectra of Eu2L3(S-BINAPO)2 and Eu2L3(R-BINAPO)2 indicated the existence of the excited state chirality of the Eu3+ center associated with |glum| values reaching 0.112. In addition, the photophysical properties of three helicates were also discussed. Chiral ancillary ligands (R/S-BINAPO) modulated the stereoselective self-assembly of lanthanide helicates, which presented strong CPL with |glum| values up to 0.112 and high luminescence quantum yield up to 34%.![]()
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Affiliation(s)
- Zhiwei Yao
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China, School of Chemistry and Materials Science, Heilongjiang University Harbin 150080 P. R. China
| | - Yanyan Zhou
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China, School of Chemistry and Materials Science, Heilongjiang University Harbin 150080 P. R. China
| | - Ting Gao
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China, School of Chemistry and Materials Science, Heilongjiang University Harbin 150080 P. R. China
| | - Pengfei Yan
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China, School of Chemistry and Materials Science, Heilongjiang University Harbin 150080 P. R. China
| | - Hongfeng Li
- Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, P. R. China, School of Chemistry and Materials Science, Heilongjiang University Harbin 150080 P. R. China
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Gauthier ES, Hellou N, Caytan E, Del Fré S, Dorcet V, Vanthuyne N, Favereau L, Srebro-Hooper M, Williams JAG, Crassous J. Triskelion-shaped iridium-helicene NHC complex. Inorg Chem Front 2021. [DOI: 10.1039/d1qi00527h] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Triskelion-shaped cycloiridiated complexes with three N-[6]helicenyl-NHC ligands were prepared with uncommon diastereoselectivities and their configurations were assigned using NMR analyses. They show strong ECD and OR, and yellow CP phosphorescence.
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Affiliation(s)
| | | | | | - Samuel Del Fré
- Faculty of Chemistry
- Jagiellonian University
- 30-387 Krakow
- Poland
| | | | - Nicolas Vanthuyne
- Aix Marseille University
- CNRS Centrale Marseille
- 13284 Marseille
- France
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